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Old 5 Dec 2017, 02:12 (Ref:3785169)   #16
Ospi
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Ospi should be qualifying in the top 10 on the grid
To me the data is clear as day. It's mistake from the officials. Nothing can or will ever come of this though.
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Old 5 Dec 2017, 02:16 (Ref:3785170)   #17
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To me the data is clear as day. It's mistake from the officials. Nothing can or will ever come of this though.
unless you are part of DJRTP you havenste seen the data, just some pics on the inetrnet, that may very well be wrong
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Old 5 Dec 2017, 02:54 (Ref:3785172)   #18
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Tourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the grid
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Are timing loops considered a good way of achieving the task?
2 timing loops 5 metres apart at pit entry is very effective - accurate to 1/10,000th of a second.
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Old 5 Dec 2017, 03:05 (Ref:3785173)   #19
Ospi
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unless you are part of DJRTP you havenste seen the data, just some pics on the inetrnet, that may very well be wrong
Sure, if that isn't the car data from that particular pit entry then it's rubbish, but if it is that data then it's all very clear. If the team has data which shows he was speeding they certainly wouodn't be pursuing anything, however they have the info from the multiple sources available to them which are to the contrary.

Last edited by Ospi; 5 Dec 2017 at 03:13.
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Old 5 Dec 2017, 03:25 (Ref:3785177)   #20
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Sure, if that isn't the car data from that particular pit entry then it's rubbish, but if it is that data then it's all very clear. If the team has data which shows he was speeding they certainly wouodn't be pursuing anything, however they have the info from the multiple sources available to them which are to the contrary.
and Supercars have data that is a straight out measurement , not pieced together data
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Old 5 Dec 2017, 03:49 (Ref:3785181)   #21
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In NSW, Fixed Speed Cameras also use timing loops. IIRC the one on Spit Hill was found to be faulty (loop wires were too close together).
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Old 5 Dec 2017, 04:03 (Ref:3785183)   #22
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In NSW, Fixed Speed Cameras also use timing loops. IIRC the one on Spit Hill was found to be faulty (loop wires were too close together).
which would mean everyone was over the limit if that was the case
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Old 5 Dec 2017, 04:16 (Ref:3785184)   #23
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anthony81901 should be qualifying in the top 10 on the grid
Fairly good explanation from Craig Baird on how pit lane speeds are measured. https://www.speedcafe.com/2017/11/30...lin-penalties/
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Old 5 Dec 2017, 04:28 (Ref:3785186)   #24
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just throwing this in from the supp rules

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(3) Pit Lane Speed: Ian Leech, Jason Routley, Stephen Harry,
Paul Martin
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Old 5 Dec 2017, 05:21 (Ref:3785189)   #25
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Sure, if that isn't the car data from that particular pit entry then it's rubbish, but if it is that data then it's all very clear. If the team has data which shows he was speeding they certainly wouodn't be pursuing anything, however they have the info from the multiple sources available to them which are to the contrary.
What Coulthard's data looks like? I wonder why they are not protesting about that one too!?!
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Old 5 Dec 2017, 05:30 (Ref:3785190)   #26
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which would mean everyone was over the limit if that was the case
Well the device indicated that they were! But they weren't really, which is why the unit was removed & fines/points refunded!
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Old 5 Dec 2017, 06:22 (Ref:3785191)   #27
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Working on the 38.2km/h claimed by DJRP, and the desired 40km/h, we are looking at a loop spacing error of 236mm. Hard to see them being that far out, but if the first loop was 5m before the pit entry line and not after, could explain the problem.

If the loops are 300 wide, the error is within the physical width of one loop.

Will individual loops always trigger at mid point ?, or one nearer the leading wire and the second on the trailing wire ?.

Hard to imagine the wheel speed sensors can allow for tyre wear (change to rolling diameter) & be accurate 100% of the time.

I'm no expert & not taking sides - just thinking out loud........

And the difference in time is between 38.2km/h & 40km/h over 5m is 0.0212 seconds

Last edited by spook; 5 Dec 2017 at 06:26. Reason: rounding of seconds
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Old 5 Dec 2017, 06:25 (Ref:3785192)   #28
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In NSW, Fixed Speed Cameras also use timing loops. IIRC the one on Spit Hill was found to be faulty (loop wires were too close together).
Correct, they deemed that the movement of traffic over the loop wires had actually shifted one of the wires enough to give false readings, that's how critical it is.
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Old 5 Dec 2017, 06:54 (Ref:3785195)   #29
Ospi
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and Supercars have data that is a straight out measurement , not pieced together data
It's not difficult to align data to video since that's standard practice in motorsport analysis and they can see clearly in the data when the brake light is active and when not when it comes to aligning to the tv coverage.

Transponders can fault as well; We had one (same brand used in V8S) fail to trigger correctly resulting in incorrect lap times once in ELMS competition and had to switch to the backup as a result.

What surprises me is that the transponders used in Supercars should have the capability of being linked to CAN on the car so you can see the trigger point of the transponder with car data, that would clear this up quickly, but for some reason it seems supercars isn't doing this. They need to, it would save a lot of hassle.

Of course, if it's a fault with the transponder then the ruling should not be reversed as it's a team issue and race control can only react to the information they have, which is why the ruling won't be reversed, but to me it's clear the speeding did not take place and the source of error should be determined and rectified.
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Old 5 Dec 2017, 07:46 (Ref:3785199)   #30
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Hopefully nothing comes of this. The 2017 championship would have a huge asterisk next to it, not to mention the integrity of Supercars itself.
Same as when a ref makes a mistake during the football grand final. The result is when they blow the final whistle, they don't go back and change the result even if it's proven the ref got it wrong.
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